Java 我的应用程序已崩溃android eclipse？

我在android设备上运行android应用程序时出错上面说很不幸，猜谜游戏已经停止了。它以前运行过，但自从我在布局中添加了EditText之后，它就崩溃了。这是我的主要活动。java:

package com.h2ogaming.numberguessinggame;

import java.util.Random;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        final TextView textOne = (TextView) findViewById(R.id.textView1);
        Button pressMe = (Button) findViewById(R.id.button1);



    pressMe.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            String randText = "";
            // TODO Auto-generated method stub
            Random randGen = new Random();
            int random = randGen.nextInt(5) + 1;
            randText = Integer.toString(random);
            textOne.setText(randText);
        }
    });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" 
    android:background="#2288ee">

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="79dp"
        android:text="@string/guess_text"
        android:textColor="#ffffff"
        android:textSize="26sp" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView2"
        android:layout_centerHorizontal="true"
        android:ems="10"
        android:inputType="number" >

        <requestFocus />
        </EditText>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/editText1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="19dp"
        android:text="@string/text_view1"
        android:textColor="#ffffff"
        android:textSize="26sp" />

    <Button
        android:id="@+id/button1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="22dp"
        android:text="@string/btn_press" />

</RelativeLayout>

这是我的活动\u主XML文件：

package com.h2ogaming.numberguessinggame;

import java.util.Random;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        final TextView textOne = (TextView) findViewById(R.id.textView1);
        Button pressMe = (Button) findViewById(R.id.button1);



    pressMe.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            String randText = "";
            // TODO Auto-generated method stub
            Random randGen = new Random();
            int random = randGen.nextInt(5) + 1;
            randText = Integer.toString(random);
            textOne.setText(randText);
        }
    });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" 
    android:background="#2288ee">

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="79dp"
        android:text="@string/guess_text"
        android:textColor="#ffffff"
        android:textSize="26sp" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView2"
        android:layout_centerHorizontal="true"
        android:ems="10"
        android:inputType="number" >

        <requestFocus />
        </EditText>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/editText1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="19dp"
        android:text="@string/text_view1"
        android:textColor="#ffffff"
        android:textSize="26sp" />

    <Button
        android:id="@+id/button1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="22dp"
        android:text="@string/btn_press" />

</RelativeLayout>

---

请帮帮我。谢谢

更改组件的初始化。全局声明所有组件。然后按照下面的代码初始化它：

public class MainActivity extends Activity {
 TextView textOne;
 Button pressMe;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textOne = (TextView) findViewById(R.id.textView1);
        pressMe = (Button) findViewById(R.id.button1);

---

撞车后plz…我是说logcat plzCash？抱歉，android新手。你需要发布崩溃报告。我想你可能会得到一个nullpointerexception。我在哪里可以得到那个报告？清理并重建你的项目。我使用了你的代码，但仍然不起作用。但由于某种原因，当我点击clean project时，它成功了！我不知道它是如何解决这个问题的。谢谢这有什么用？我没有全局声明我的按钮和文本视图。现在我知道了。